Guide Rod with Recoil Spring package for the 4" Service XD 9mm, .40 and .357 models. Wolff XD guide rods are a precision, hi-quality one piece steel quide rod. Designed for optimum performance they replace the standard factory recoil system. Rods are hardened to a minimum RC-55 for durability. Available in a durable black finish. Comes with a 21 lbs. recoil spring and an extra power striker spring.

Guide Rod with Recoil Spring package for the 5" Tactical XD45. Wolff XD guide rods are a precision, hi-quality one piece steel quide rod. Designed for optimum performance they replace the standard factory recoil system. Rods are hardened to a minimum RC-55 for durability. Available in a durable black finish. Comes with a 20 lbs. recoil spring and an extra power striker spring.